This correctly uses int16_t rather than float. Only affects the debug file buffer, not the production code path. TBR=bjornv Review URL: https://webrtc-codereview.appspot.com/1162008 git-svn-id: http://webrtc.googlecode.com/svn/trunk@3626 4adac7df-926f-26a2-2b94-8c16560cd09d